Cross-country bromance jackknifes thanks to irritating characters

By Devin D. O’Leary

In what amounts to a minor reshuffling of Planes, Trains and Automobiles, Robert Downey Jr. plays a hypersonically, megalithically uptight architect trying to get home to Los Angeles for the birth of his first child. Zach Galifianakis, meanwhile, plays a extracellularly, superabundantly annoying would-be actor. Wouldn’t it be wacky if these two—you guessed it!—had to road-trip across America?